Year	Current U.S. Dollars
1990-01-01	1647.46323090376
1991-01-01	1512.48506649640
1992-01-01	1515.10405895883
1993-01-01	1433.46153431139
1994-01-01	1320.32162249687
1995-01-01	1288.23905213205
1996-01-01	1350.33386623390
1997-01-01	1445.56941418299
1998-01-01	1468.70179833400
1999-01-01	1130.11359233563
2000-01-01	1229.00095844501
2001-01-01	1490.92708987166
2002-01-01	1658.03078544636
2003-01-01	2068.12411808473
2004-01-01	2874.28829127649
2005-01-01	3771.27895733845
2006-01-01	5291.57565018652
2007-01-01	6771.41479681885
2008-01-01	8513.56464506814
2009-01-01	7165.22317483703
2010-01-01	9070.48825285747
2011-01-01	11634.00190476540
2012-01-01	12386.70000294720
2013-01-01	13890.63177168350
2014-01-01	12807.26068661520
2015-01-01	10510.77188841480
2016-01-01	7714.84184376024
2017-01-01	8837.45730230661